Multiple Choice
Which of the following is not a nonspecific host defense?
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21. The Immune System
Introduction to Innate Immunity
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Which of the following does not belong to the second line of defense in innate immunity?
A
Skin
B
Phagocytic cells
C
Inflammatory response
D
Fever
Verified step by step guidance1
Understand the concept of innate immunity, which is the body's first line of defense against pathogens and is non-specific.
Recognize that the first line of defense includes physical and chemical barriers such as skin and mucous membranes.
Identify the components of the second line of defense in innate immunity, which includes internal mechanisms like phagocytic cells, the inflammatory response, and fever.
Note that phagocytic cells, such as macrophages and neutrophils, engulf and destroy pathogens.
Realize that the skin is part of the first line of defense, serving as a physical barrier, and does not belong to the second line of defense.
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